Finding the Fourth Proportional to 17,380.82, 26,083.82 and 11,820.98

Step by Step Solution

1. Step 1: Write the proportion equation
   17,380.82 : 26,083.82 = 11,820.98 : x
2. Step 2: Convert to fraction form
   17,380.82/26,083.82 = 11,820.98/x
3. Step 3: Cross multiply
   17,380.82x = 26,083.82 × 11,820.98
4. Step 4: Simplify right side
   17,380.82x = 308,336,314.54
5. Step 5: Solve for x
   x = 308,336,314.54/17,380.82
6. Step 6: Final answer
   x = 17,740.03